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also remap RPITITs nested in other types back to their opaques

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This commit is contained in:
Lukas Markeffsky 2024-04-21 18:04:50 +02:00
parent 31a05a227a
commit 5a2b335e49
2 changed files with 6 additions and 2 deletions
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4
compiler/rustc_hir_analysis/src/collect/item_bounds.rs
View File

@ -4,7 +4,7 @@ use rustc_data_structures::fx::FxIndexSet;
use rustc_hir as hir;
use rustc_infer::traits::util;
use rustc_middle::ty::GenericArgs;
use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeFolder};
use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable};
use rustc_span::def_id::{DefId, LocalDefId};
use rustc_span::Span;
@ -214,7 +214,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTyToOpaque<'tcx> {
{
self.tcx.type_of(projection_ty.def_id).instantiate(self.tcx, projection_ty.args)
} else {
ty
ty.super_fold_with(self)
}
}
}

4
tests/ui/impl-trait/in-trait/nested-rpitit-bounds.rs
View File

@ -6,6 +6,10 @@ trait Foo {
fn foo() -> impl Deref<Target = impl Deref<Target = impl Sized>> {
&&()
}
fn bar() -> impl Deref<Target = Option<impl Sized>> {
&Some(())
}
}
fn main() {}